{"product_id":"denso-double-platinum-spark-plug-set-us-mr2-aw11-supercharged","title":"AW11 DENSO Spark Plugs | 4A-GE \/ 4A-GZE (1985-89 MR2)","description":"\u003ch2\u003eDENSO Spark Plug Set\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFor 1985–1989 U.S.-Market Toyota MR2 AW11 4A-GE \u0026amp; 1988–1989 AW11 4A-GZE\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eChoose a complete four-plug DENSO set for the stock-engine AW11 MR2 in one of two electrode technologies: \u003cstrong\u003eDouble Platinum\u003c\/strong\u003e or \u003cstrong\u003eIridium TT\u003c\/strong\u003e. The 4A-GE and supercharged 4A-GZE use different DENSO heat ranges, so select the engine that matches the vehicle.\u003c\/p\u003e\n\u003cp\u003eDENSO was an \u003cstrong\u003eoriginal-equipment spark-plug supplier for the AW11 MR2\u003c\/strong\u003e. The \u003cstrong\u003eDouble Platinum\u003c\/strong\u003e configuration retains the platinum center-and-ground electrode construction specified for the factory application. Iridium TT provides a modern twin-tip alternative while retaining the corresponding engine-specific heat range. \u003cstrong\u003eAll four configurations are factory pre-gapped by DENSO\u003c\/strong\u003e to the specified gap for that plug design.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete four-plug set\u003c\/strong\u003e for one AW11 MR2 engine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine-specific heat ranges:\u003c\/strong\u003e DENSO 16 for 4A-GE and DENSO 20 for 4A-GZE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo plug technologies:\u003c\/strong\u003e Double Platinum and Iridium TT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory pre-gapped:\u003c\/strong\u003e 1.0 mm for Iridium TT; 1.1 mm for Double Platinum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e14 mm thread diameter and 19 mm reach\u003c\/strong\u003e across all configurations; 16 mm hex for Double Platinum and 20.6 mm hex for Iridium TT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket \/ flat-seat design\u003c\/strong\u003e with solid terminals and resistor construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1985–1989 U.S.-Market Toyota MR2 AW11\u003c\/strong\u003e — 4A-GE Naturally Aspirated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1988–1989 U.S.-Market Toyota MR2 AW11 Supercharged\u003c\/strong\u003e — 4A-GZE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFitment Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelect the plug set by engine.\u003c\/strong\u003e The 4A-GE and 4A-GZE configurations use different heat ranges.\u003c\/li\u003e\n\u003cli\u003eFits both \u003cstrong\u003eautomatic and manual\u003c\/strong\u003e factory applications with the corresponding engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine swaps, turbo conversions, and altered boost or ignition configurations\u003c\/strong\u003e are outside this factory-engine application.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor naturally aspirated 4A-GE cars, the \u003ca href=\"https:\/\/preserverad.com\/products\/denso-ignition-wire-set-toyota-mr2-aw11-4age\" target=\"_blank\"\u003eDENSO Ignition Wire Set\u003c\/a\u003e is available separately. It does not fit 4A-GZE applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e DENSO\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Ignition\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Spark Plug\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 4 spark plugs per selected configuration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Diameter:\u003c\/strong\u003e 14 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Reach:\u003c\/strong\u003e 19 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex Size:\u003c\/strong\u003e 16 mm for Double Platinum; 20.6 mm for Iridium TT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeat Type:\u003c\/strong\u003e Gasket \/ flat seat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Solid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistor:\u003c\/strong\u003e 5 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Pre-Gapped:\u003c\/strong\u003e 1.0 mm for Iridium TT; 1.1 mm for Double Platinum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhich Spark Plug Is Right for You?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDouble Platinum — Best Factory-Style Replacement (Recommended)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlatinum center and ground electrodes, matching factory-style construction.\u003c\/li\u003e\n\u003cli\u003eExcellent durability and long service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e Stock AW11s, factory restorations, and owners prioritizing longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIridium TT — Best Premium Upgrade\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-fine iridium center electrode for consistent ignition.\u003c\/li\u003e\n\u003cli\u003ePremium electrode technology with excellent wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e Owners seeking a premium, long-lasting spark plug.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOur Recommendation:\u003c\/strong\u003e Double Platinum offers the best balance of factory-style construction, durability, and value for most stock AW11 MR2 owners.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Always select the correct 4A-GE or 4A-GZE engine configuration, as each requires a different heat range.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Configurations\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e4A-GE Naturally Aspirated \/ Double Platinum\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e(4) DENSO Double Platinum spark plugs, each with its sealing washer\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e4A-GE Naturally Aspirated \/ Iridium TT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e(4) DENSO Iridium TT spark plugs, each with its sealing washer\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e4A-GZE Supercharged \/ Double Platinum\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e(4) DENSO Double Platinum spark plugs, each with its sealing washer\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e4A-GZE Supercharged \/ Iridium TT\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e(4) DENSO Iridium TT spark plugs, each with its sealing washer\u003c\/li\u003e\u003c\/ul\u003e","brand":"DENSO","offers":[{"title":"4A-GE Naturally Aspirated \/ Double Platinum","offer_id":67632057844021,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"4A-GE Naturally Aspirated \/ Iridium TT","offer_id":67632057909557,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true},{"title":"4A-GZE Supercharged \/ Double Platinum","offer_id":67626934665525,"sku":null,"price":39.99,"currency_code":"USD","in_stock":true},{"title":"4A-GZE Supercharged \/ Iridium TT","offer_id":67632058040629,"sku":null,"price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/6005\/8421\/files\/DENSOSparkPlugsProductCatalog.png?v=1791400822","url":"https:\/\/preserverad.com\/products\/denso-double-platinum-spark-plug-set-us-mr2-aw11-supercharged","provider":"Preserve Rad","version":"1.0","type":"link"}